A6

UNS #T30106

A6 tool steel combines the deep hardening and minimum size change characteristics of air hardening tool steels with the simplicity of low temperature heat treatment possible in many oil hardening tool steels. Available as a DeCarb-Free product, bars are cold finished in the mill, eliminating the need for bar bark removal. This tool steel has been used in applications where optimum freedom from size change is desired, or when the sections are very large.

Type Analysis

  • Carbon (Nominal) 0.7
  • Silicon (Maximum) 0.3
  • Manganese (Maximum) 2
  • Chromium (Nominal) 1
  • Molybdenum (Nominal) 1.35
  • Iron (Nominal) Balance

Applications

Large blanking dies Large forming dies Trimming dies Notching dies Feed fingers Heavy duty punches Coining dies Retaining rings Rim rolls Master hubs Shear blades Precision tools Spindles Bending tools Mandrels Stripper plates Plastic molds

Applicable Specifications

  • ASTM A681
  • QQ-T-570

Bar

Flats

Rounds

Square

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